31 C.F.R. § 525.302 – Effective date.

(a) The term effective date refers to the effective date of the applicable prohibitions and directives contained in this part as follows:
1. (1) With respect to a person whose property and interests in property are blocked pursuant to § 525.201, the earlier of the date of actual or constructive notice that such person's property and interests in property are blocked;
2. (2) With respect to transactions prohibited by § 525.202, December 15, 2023.
(b) For the purposes of this section, constructive notice is the date that a notice of the blocking of the relevant person's property and interests in property is published in the Federal Register.